ANSWER AND I WILL RATE!!!!!!!!!!!!!!!!!!!!! Problem 29.39 Suppose the speed of l
ID: 1469845 • Letter: A
Question
ANSWER AND I WILL RATE!!!!!!!!!!!!!!!!!!!!!
Problem 29.39
Suppose the speed of light is 35 mi/h. A paper girl riding a bicycle at 22 mi/h throws a rolled-up newspaper in the forward direction, as shown in the figure (Figure 1).
Part A
If the paper is thrown with a speed of 18 mi/h relative to the bike, what is its speed, v, with respect to the ground?
Express your answer using two significant figures.
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Figure 1 of 1
Problem 29.39
Suppose the speed of light is 35 mi/h. A paper girl riding a bicycle at 22 mi/h throws a rolled-up newspaper in the forward direction, as shown in the figure (Figure 1).
Part A
If the paper is thrown with a speed of 18 mi/h relative to the bike, what is its speed, v, with respect to the ground?
Express your answer using two significant figures.
v = mi/hSubmitMy AnswersGive Up
Provide FeedbackContinue
Figure 1 of 1
Explanation / Answer
Here ,
speed of paper relative to girl , vp = 18 mi/hr
speed of girl , vg = 22 mi/hr
speed of light , c = 35 mi/hr
for the speed of paper v
v = (vg + vp)/(1 _ vg * vp/c^2)
v = (18 + 22)/(1 + 18 * 22/35^2)
v = 30.23 mi/hr
speed of paper relative to graound is 30.23 mi/hr
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